In my experience knowing about TCP/IP is not required depending on the individual's background (say, graphics driver developer). It just turns out most good hac

In my experience knowing about TCP/IP is not required depending on the individual's background (say, graphics driver developer). It just turns out most good hackers tend to be curious and either learn it very quickly or already know it. We like software engineers because they can synthesize complex software architectures, whereas someone with only networking knowledge will be at a much larger knowledge deficit on most software focused assessments. Infosec has trended toward application focused security for many years now.